package org.easyframework.core.io;

import org.easyframework.util.ClassUtils;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

public class ClassPathResource implements Resource {

    private String path;
    private ClassLoader classLoader;

    public ClassPathResource(String path){
        this(path,null);
    }
    public ClassPathResource(String path,ClassLoader classLoader){
        this.path=path;
        this.classLoader=classLoader!=null?classLoader: ClassUtils.getDefaultClassLoader();
    }

    @Override
    public InputStream getInputStream() throws IOException {
        InputStream is = this.classLoader.getResourceAsStream(this.path);

        if (is == null) {
            throw new FileNotFoundException(path + " is not exist");
        }
        return is;
    }

    @Override
    public String getDesciption() {
        return this.path;
    }
}
